23154072 has 16 divisors (see below), whose sum is σ = 57885240. Its totient is φ = 7718016.

The previous prime is 23154071. The next prime is 23154083. The reversal of 23154072 is 27045132.

It is a super-2 number, since 2×23154072² = 1072222100362368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 964753 = 23154072 / (2 + 3 + 1 + 5 + 4 + 0 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482353 + ... + 482400.

Almost surely, 2^23154072 is an apocalyptic number.

It is an amenable number.

23154072 is an abundant number, since it is smaller than the sum of its proper divisors (34731168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23154072 is a wasteful number, since it uses less digits than its factorization.

23154072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964762 (or 964758 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 23154072 is about 4811.8678286088. The cubic root of 23154072 is about 285.0203001853.

The spelling of 23154072 in words is "twenty-three million, one hundred fifty-four thousand, seventy-two".